Invited review: human air-liquid-interface organotypic airway tissue models derived from primary tracheobronchial epithelial cells—overview and perspectives

The lung is an organ that is directly exposed to the external environment. Given the large surface area and extensive ventilation of the lung, it is prone to exposure to airborne substances, such as pathogens, allergens, chemicals, and particulate matter. Highly elaborate and effective mechanisms ha...

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Vydané v:	In vitro cellular & developmental biology. Animal Ročník 57; číslo 2; s. 104 - 132
Hlavní autori:	Cao, Xuefei, Coyle, Jayme P., Xiong, Rui, Wang, Yiying, Heflich, Robert H., Ren, Baiping, Gwinn, William M., Hayden, Patrick, Rojanasakul, Liying
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Germany Springer Science & Business Media LLC 01.02.2021 Society for In Vitro Biology Springer US
Predmet:	Air pollution Allergens Animal models Biocompatibility breathing Cigarette smoke cigarettes electronic equipment Epithelial cells epithelium Exposure Gases Homeostasis human health humans Inhalation inhalation exposure INVITED REVIEW Lungs Mechanical ventilation Nanomaterials Nanotechnology Particulate emissions Particulate matter Particulates Pathogens Respiration Respiratory diseases Respiratory system Respiratory tract smoke Smoking Standardization surface area toxic substances Toxicants Toxicity Toxicology Vapors Air-liquid-interface (ALI) airway cultures Pulmonary drug testing Pathogen-host interaction Exposure system Inhalation toxicology
ISSN:	1071-2690, 1543-706X, 1543-706X
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Shrnutí:	The lung is an organ that is directly exposed to the external environment. Given the large surface area and extensive ventilation of the lung, it is prone to exposure to airborne substances, such as pathogens, allergens, chemicals, and particulate matter. Highly elaborate and effective mechanisms have evolved to protect and maintain homeostasis in the lung. Despite these sophisticated defense mechanisms, the respiratory system remains highly susceptible to environmental challenges. Because of the impact of respiratory exposure on human health and disease, there has been considerable interest in developing reliable and predictive in vitro model systems for respiratory toxicology and basic research. Human air-liquid-interface (ALI) organotypic airway tissue models derived from primary tracheobronchial epithelial cells have in vivo-like structure and functions when they are fully differentiated. The presence of the air-facing surface allows conducting in vitro exposures that mimic human respiratory exposures. Exposures can be conducted using particulates, aerosols, gases, vapors generated from volatile and semi-volatile substances, and respiratory pathogens. Toxicity data have been generated using nanomaterials, cigarette smoke, e-cigarette vapors, environmental airborne chemicals, drugs given by inhalation, and respiratory viruses and bacteria. Although toxicity evaluations using human airway ALI models require further standardization and validation, this approach shows promise in supplementing or replacing in vivo animal models for conducting research on respiratory toxicants and pathogens.
Bibliografia:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 14 ObjectType-Review-3 content type line 23 Editor: Tetsuji Okamoto
ISSN:	1071-2690 1543-706X 1543-706X
DOI:	10.1007/s11626-020-00517-7